Valmiki Ramayana Sundara Kanda Sarga 7 Shloka 4
Original Shlokaतानि प्रयत्नाभिसमाहितानि मयेन साक्षादिव निर्मितानि। महीतले सर्वगुणोत्तराणि ददर्श लङ्काधिपतेर्गृहाणि।।5.7.4।।
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तानि those, प्रयत्नाभिसमाहितानि collected with great care and effort, साक्षात् directly, मयेन by Maya, निर्मितानीव as though built, महीतले on earth, सर्वगुणोत्तराणि of excellent quality, लङ्काधिपतेः of the lord of Lanka, गृहाणि mansions, ददर्श saw.
The mansions of the lord of Lanka built with great care and effort on earth were by all means excellent and appeared as though built personally by Maya (the divine architect wellknown for magical skills).